ETG09: Etonogestrel EP Impurity I

13-Ethyl-11,17-dimethylene-18-norestr-4-en-3-one ; (8S,9S,10R,13S,14S)-13-ethyl-11,17-dimethylene-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one ;

C21H28O ;
Mol. Wt.: 296.45 ;